Home / 173,944.80-261,003.60-68,767.20

Finding the Fourth Proportional to 173,944.80, 261,003.60 and 68,767.20

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Solution

The fourth proportional to 173,944.80, 261,003.60 and 68,767.20 is: 103,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,944.80 : 261,003.60 = 68,767.20 : x
  2. Step 2: Convert to fraction form
    173,944.80/261,003.60 = 68,767.20/x
  3. Step 3: Cross multiply
    173,944.80x = 261,003.60 × 68,767.20
  4. Step 4: Simplify right side
    173,944.80x = 17,948,486,761.92
  5. Step 5: Solve for x
    x = 17,948,486,761.92/173,944.80
  6. Step 6: Final answer
    x = 103,184.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.